Acta Physica Sinica //www.getgobooth.com/ 必威体育下载 daily 15 2024-08-20 10:33:39 apsoffice@iphy.ac.cn apsoffice@iphy.ac.cn 2024-08-20 10:33:39 zh Copyright ©Acta Physica Sinica All Rights Reserved. 京ICP备05002789号-1 Address: PostCode:100190 Phone: 010-82649829,82649241,82649863 Email: apsoffice@iphy.ac.cn Copyright ©Acta Physica Sinica All Rights Reserved apsoffice@iphy.ac.cn 1000-3290 <![CDATA[THE EFFECT OF THE LATTICE VIBRATION ON THE EXCITON MOTION]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.751 Author(s): GU SHI-WEI <br/><p>In this paper, the effect of the lattice vibration on the exeiton motion is discussed by a perturbation method that was developed to investigate the problem of plarons by Haga. Our previous work is generalized to the case that the electron mass and the hole mass are not equal. When we neglect the interaction between phonons of different wave vector in the recoil process, the ground state energy, effeetive mass, reduced mass and inner potential energy are derived. It is shown that the effective mass of the exeiton depends on the interaction between the electron, hole and the phonons reduced mass of the exciton not only depends on the interaction between the electron. Hole and the phonons, but also on the electron and hole mass ratio; the formation of a self trapping exciton is not determined by the magnitude of the interaction between the electron, hole and the phnon, but by the electron and hole mass ratio. A exciton is self trapping when the electron and hole mass ratio is in the range 0.261 e/μh&lt;3.83.</p> <br/>Acta Physica Sinica. 1979 28(6): 751-758. Published 1979-03-05 Author(s): GU SHI-WEI <br/><p>In this paper, the effect of the lattice vibration on the exeiton motion is discussed by a perturbation method that was developed to investigate the problem of plarons by Haga. Our previous work is generalized to the case that the electron mass and the hole mass are not equal. When we neglect the interaction between phonons of different wave vector in the recoil process, the ground state energy, effeetive mass, reduced mass and inner potential energy are derived. It is shown that the effective mass of the exeiton depends on the interaction between the electron, hole and the phonons reduced mass of the exciton not only depends on the interaction between the electron. Hole and the phonons, but also on the electron and hole mass ratio; the formation of a self trapping exciton is not determined by the magnitude of the interaction between the electron, hole and the phnon, but by the electron and hole mass ratio. A exciton is self trapping when the electron and hole mass ratio is in the range 0.261 e/μh&lt;3.83.</p> <br/>Acta Physica Sinica. 1979 28(6): 751-758. Published 1979-03-05 THE EFFECT OF THE LATTICE VIBRATION ON THE EXCITON MOTION GU SHI-WEI 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 751-758. article doi:10.7498/aps.28.751 10.7498/aps.28.751 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.751 751-758 <![CDATA[A NEW MODE OF FOUR-POINT PROBE TECHNIQUE FOR THE MEASUREMENT OF SEMICONDUCTOR SHEET RESISTANCE]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.759 Author(s): SU CHANG-HOU <br/><p>A new method for measuring sheet resistance of semiconductor using four-point probe has been developed. Its characteristies are as follows, (a) the distances between probes can be unequal for the large thin slices as well as for the samples with finite extent. The result obtained does not depend on the probe spacings. Errors due to unequal probe spacings are eliminated; (b) it is not neccesaxy to take into account the geometry corrections for the rectangular and circular small specimens. The knowledge of its dimensions, so that, is needless. The value of the resistance can be determined from electrical measurement only.</p> <br/>Acta Physica Sinica. 1979 28(6): 759-772. Published 1979-03-05 Author(s): SU CHANG-HOU <br/><p>A new method for measuring sheet resistance of semiconductor using four-point probe has been developed. Its characteristies are as follows, (a) the distances between probes can be unequal for the large thin slices as well as for the samples with finite extent. The result obtained does not depend on the probe spacings. Errors due to unequal probe spacings are eliminated; (b) it is not neccesaxy to take into account the geometry corrections for the rectangular and circular small specimens. The knowledge of its dimensions, so that, is needless. The value of the resistance can be determined from electrical measurement only.</p> <br/>Acta Physica Sinica. 1979 28(6): 759-772. Published 1979-03-05 A NEW MODE OF FOUR-POINT PROBE TECHNIQUE FOR THE MEASUREMENT OF SEMICONDUCTOR SHEET RESISTANCE SU CHANG-HOU 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 759-772. article doi:10.7498/aps.28.759 10.7498/aps.28.759 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.759 759-772 <![CDATA[INVESTIGATION OF THE STRUCTURE AND THE PROCESS OF PHASE TRANSFORMATION ABOUT δ-FeOOH]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.773 Author(s): DU YOU-WEI, ZHANG YU-CHANG, JIAO HONG-ZHEN, LU HUAI-XIAN, LI ZHENG-YU, GU BEN-XI <br/><p>The structure of δ-FeOOH and the process of the phase transformation were studied by means, of thermogravimetric plots, differential thermal analysis, magnetic analysis, X-ray Diffraction and Mossbauer effect measurement.</p> <br/>Acta Physica Sinica. 1979 28(6): 773-782. Published 1979-03-05 Author(s): DU YOU-WEI, ZHANG YU-CHANG, JIAO HONG-ZHEN, LU HUAI-XIAN, LI ZHENG-YU, GU BEN-XI <br/><p>The structure of δ-FeOOH and the process of the phase transformation were studied by means, of thermogravimetric plots, differential thermal analysis, magnetic analysis, X-ray Diffraction and Mossbauer effect measurement.</p> <br/>Acta Physica Sinica. 1979 28(6): 773-782. Published 1979-03-05 INVESTIGATION OF THE STRUCTURE AND THE PROCESS OF PHASE TRANSFORMATION ABOUT δ-FeOOH DU YOU-WEI, ZHANG YU-CHANG, JIAO HONG-ZHEN, LU HUAI-XIAN, LI ZHENG-YU, GU BEN-XI 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 773-782. article doi:10.7498/aps.28.773 10.7498/aps.28.773 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.773 773-782 <![CDATA[GROWTH AND CHARACTERISTICS OF LITHIUM NIOBATE PLATE CRYSTALS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.783 Author(s): ULTRASONIC PIEZOELECTRIC MATERIALS GROUP <br/><p>Growth of lithium niobate large plate crystals was achieved by using the Wet-ted-Die Technique. Their dimensions were about 200 mm long, 20 mm in width and 3 mm thick. Their properties was found to be the same as those of cylindrical crystals. We measured the density ρm of the melt of lithium niobate and its surface tension a. The results are: ρm= 3.57×103kg/m3, α = 204 dyne/cm at 1270℃, and ρm= 3.42×103kg/m3, α = 192 dyne/cm at 1300℃.</p> <br/>Acta Physica Sinica. 1979 28(6): 783-790. Published 1979-03-05 Author(s): ULTRASONIC PIEZOELECTRIC MATERIALS GROUP <br/><p>Growth of lithium niobate large plate crystals was achieved by using the Wet-ted-Die Technique. Their dimensions were about 200 mm long, 20 mm in width and 3 mm thick. Their properties was found to be the same as those of cylindrical crystals. We measured the density ρm of the melt of lithium niobate and its surface tension a. The results are: ρm= 3.57×103kg/m3, α = 204 dyne/cm at 1270℃, and ρm= 3.42×103kg/m3, α = 192 dyne/cm at 1300℃.</p> <br/>Acta Physica Sinica. 1979 28(6): 783-790. Published 1979-03-05 GROWTH AND CHARACTERISTICS OF LITHIUM NIOBATE PLATE CRYSTALS ULTRASONIC PIEZOELECTRIC MATERIALS GROUP 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 783-790. article doi:10.7498/aps.28.783 10.7498/aps.28.783 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.783 783-790 <![CDATA[THE PRESENCE OF Si-H BONDS IN Si SINGLE CRYSTALS AND ITS INFLUENCES]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.791 Author(s): CUI SHU-FAN, GE PEI-WEN, ZHAO YA-QIN, WU LAN-SHENG <br/><p>The presence of Si-H bonds in hydrogen FZ silicon single crystals was confirmed by measurements of infrared absorption spectrum. Three characteristic absorption peaks were found at 4.51, 4.68 and 5.13 μm. By analysing theoretical calculations, it is believed that hydrogen atoms in silicon lattice are situated on several interstitial sites. Investigation showed that the Si-H bonds formed in crystal growth influences implicitly on the crystal perfection, and it was discovered that there exists a close relationship between the production, of defects by hydrogen and the breakdown of hydrogen-associated bonds at high temperature.</p> <br/>Acta Physica Sinica. 1979 28(6): 791-795. Published 1979-03-05 Author(s): CUI SHU-FAN, GE PEI-WEN, ZHAO YA-QIN, WU LAN-SHENG <br/><p>The presence of Si-H bonds in hydrogen FZ silicon single crystals was confirmed by measurements of infrared absorption spectrum. Three characteristic absorption peaks were found at 4.51, 4.68 and 5.13 μm. By analysing theoretical calculations, it is believed that hydrogen atoms in silicon lattice are situated on several interstitial sites. Investigation showed that the Si-H bonds formed in crystal growth influences implicitly on the crystal perfection, and it was discovered that there exists a close relationship between the production, of defects by hydrogen and the breakdown of hydrogen-associated bonds at high temperature.</p> <br/>Acta Physica Sinica. 1979 28(6): 791-795. Published 1979-03-05 THE PRESENCE OF Si-H BONDS IN Si SINGLE CRYSTALS AND ITS INFLUENCES CUI SHU-FAN, GE PEI-WEN, ZHAO YA-QIN, WU LAN-SHENG 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 791-795. article doi:10.7498/aps.28.791 10.7498/aps.28.791 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.791 791-795 <![CDATA[THE TRANSDUCER BANDWIDTH OF ACOUSTO-OPTIC DEVICES AND THE DETERMINATION OF THE LAYERS' THICKNESS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.796 Author(s): XU JIE-PING <br/><p>According to the Mason's equivalent circuit of piezoelectric transducer, we have calculated the functional relationship between transducer loss TL and normalized frequency f/f0 for the 36°y-cut LN/PM and the x-cut LN/TeO2 acousto-optic devices, with different layer materials and thickness. From these calculations, we can determine the thickness of the various layers rationally and the transducer bandwidth of the devices accurately. We give also the loci of the electric input- impedence Zi with f/f0 on the Smith chart, which can be used as theoretical foundation of quality tests for the devices.</p> <br/>Acta Physica Sinica. 1979 28(6): 796-806. Published 1979-03-05 Author(s): XU JIE-PING <br/><p>According to the Mason's equivalent circuit of piezoelectric transducer, we have calculated the functional relationship between transducer loss TL and normalized frequency f/f0 for the 36°y-cut LN/PM and the x-cut LN/TeO2 acousto-optic devices, with different layer materials and thickness. From these calculations, we can determine the thickness of the various layers rationally and the transducer bandwidth of the devices accurately. We give also the loci of the electric input- impedence Zi with f/f0 on the Smith chart, which can be used as theoretical foundation of quality tests for the devices.</p> <br/>Acta Physica Sinica. 1979 28(6): 796-806. Published 1979-03-05 THE TRANSDUCER BANDWIDTH OF ACOUSTO-OPTIC DEVICES AND THE DETERMINATION OF THE LAYERS' THICKNESS XU JIE-PING 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 796-806. article doi:10.7498/aps.28.796 10.7498/aps.28.796 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.796 796-806 <![CDATA[A THEORETICAL MODEL FOR TRANSVERSE-DISCHARGE FLOW TYPE CO<sub<2</sub< LASERS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.807 Author(s): GAO ZHI, LIN LIE, SUN WEN-CHAO <br/><p>A theoretical model is proposed to analyse the transverse-discharge flow type CO2 lasers. Theoretical expressions are obtained for predicting gain-saturation and output power of flow type gas lasers, these expressions are in agreement with the well-known formulae of non-flowing gas lasers, but the former contains correction terms related to pumping action in the upstream direction of the cavity and the gas flowing effect. Based on the analysis of the variation of intensity in the direction of flow, we derive the limiting values of stauration intensity and other parameters which were attained as the flow speed was being increased. Reliability of the semi-empirical analysis suggested, in literature [1-3] for the flow type laser performance predicted by choosing an average gain-coefficient anl adopting the formulae of non-flowing gas lasers has been proved. The qualitative analysis presented in article [4] is developed into a quantitative calculation. The present model should be used in place of the semi-empirical one, since the formulae deduced are as simple as those for the non-flowing gas lasers. The results computed for both amplifier and oscillator cavities using the present model are in agreement with experimental data [1, 18-21].</p> <br/>Acta Physica Sinica. 1979 28(6): 807-823. Published 1979-03-05 Author(s): GAO ZHI, LIN LIE, SUN WEN-CHAO <br/><p>A theoretical model is proposed to analyse the transverse-discharge flow type CO2 lasers. Theoretical expressions are obtained for predicting gain-saturation and output power of flow type gas lasers, these expressions are in agreement with the well-known formulae of non-flowing gas lasers, but the former contains correction terms related to pumping action in the upstream direction of the cavity and the gas flowing effect. Based on the analysis of the variation of intensity in the direction of flow, we derive the limiting values of stauration intensity and other parameters which were attained as the flow speed was being increased. Reliability of the semi-empirical analysis suggested, in literature [1-3] for the flow type laser performance predicted by choosing an average gain-coefficient anl adopting the formulae of non-flowing gas lasers has been proved. The qualitative analysis presented in article [4] is developed into a quantitative calculation. The present model should be used in place of the semi-empirical one, since the formulae deduced are as simple as those for the non-flowing gas lasers. The results computed for both amplifier and oscillator cavities using the present model are in agreement with experimental data [1, 18-21].</p> <br/>Acta Physica Sinica. 1979 28(6): 807-823. Published 1979-03-05 A THEORETICAL MODEL FOR TRANSVERSE-DISCHARGE FLOW TYPE CO&lt;sub&lt;2&lt;/sub&lt; LASERS GAO ZHI, LIN LIE, SUN WEN-CHAO 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 807-823. article doi:10.7498/aps.28.807 10.7498/aps.28.807 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.807 807-823 <![CDATA[THE MEASUREMENT OF ELECTRON TEMPERATURE OF PLASMA BY LASER SCATTERING AND THE ENERGY LOSS OF θ-PINCH PLASMA]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.824 Author(s): YAO XIN-ZI, ZU QIN-XIN, XU YAO, GAO PENG, HU FENG-JIE, LI BAO-HUAN <br/><p>In this paper, the measurement of electron temperature of the θ-pinch plasma by means of Thomson scattering of ruby laser is described. The experimental data of clectron temperature in θ-coil midplane are analysed using the one-fluid model. The experimental results show that the electron temperature is much less than the theoretical value in the ease of adiabatic compression, and the experimental data are in good agreement with the theory when the loss of the electron thermal conduction is considered. The conduction coefficient calculated according to the one-fluid model is larger than the Spitzer's classical value by a factor of 2-3. After about 3 μs, the electron temperature dropped sharply, the thermal conduction theory holds no longer. A possible explaination is that the end loss becomes dominant, and thus the plasma collapses rapidly.</p> <br/>Acta Physica Sinica. 1979 28(6): 824-832. Published 1979-03-05 Author(s): YAO XIN-ZI, ZU QIN-XIN, XU YAO, GAO PENG, HU FENG-JIE, LI BAO-HUAN <br/><p>In this paper, the measurement of electron temperature of the θ-pinch plasma by means of Thomson scattering of ruby laser is described. The experimental data of clectron temperature in θ-coil midplane are analysed using the one-fluid model. The experimental results show that the electron temperature is much less than the theoretical value in the ease of adiabatic compression, and the experimental data are in good agreement with the theory when the loss of the electron thermal conduction is considered. The conduction coefficient calculated according to the one-fluid model is larger than the Spitzer's classical value by a factor of 2-3. After about 3 μs, the electron temperature dropped sharply, the thermal conduction theory holds no longer. A possible explaination is that the end loss becomes dominant, and thus the plasma collapses rapidly.</p> <br/>Acta Physica Sinica. 1979 28(6): 824-832. Published 1979-03-05 THE MEASUREMENT OF ELECTRON TEMPERATURE OF PLASMA BY LASER SCATTERING AND THE ENERGY LOSS OF θ-PINCH PLASMA YAO XIN-ZI, ZU QIN-XIN, XU YAO, GAO PENG, HU FENG-JIE, LI BAO-HUAN 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 824-832. article doi:10.7498/aps.28.824 10.7498/aps.28.824 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.824 824-832 <![CDATA[MHD EQUILIBRIUM AND STABILITY OF AXIAL SYMMETRIC TOROIDAL PLASMA WITH AN ELLIPTIC CROSS SECTION OF TRIANGULAR DEFORMATION]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.833 Author(s): MA TENG-CAI <br/><p>Expanding the magnetic flux in terms of the deviation from the magnetic axis, we have studied the MHD equilibrium and localized mode instability of an axial symmetric plasma torus with a small triangular and elliptical deformation on its cross-section. The optimization of the configuration has been analyzed and an optimal factor of the triangular deformation has been given. Our analysis shows that it is possible to strengthen ohmic heating substantially by selecting suitable factors of the triangular deformation.</p> <br/>Acta Physica Sinica. 1979 28(6): 833-840. Published 1979-03-05 Author(s): MA TENG-CAI <br/><p>Expanding the magnetic flux in terms of the deviation from the magnetic axis, we have studied the MHD equilibrium and localized mode instability of an axial symmetric plasma torus with a small triangular and elliptical deformation on its cross-section. The optimization of the configuration has been analyzed and an optimal factor of the triangular deformation has been given. Our analysis shows that it is possible to strengthen ohmic heating substantially by selecting suitable factors of the triangular deformation.</p> <br/>Acta Physica Sinica. 1979 28(6): 833-840. Published 1979-03-05 MHD EQUILIBRIUM AND STABILITY OF AXIAL SYMMETRIC TOROIDAL PLASMA WITH AN ELLIPTIC CROSS SECTION OF TRIANGULAR DEFORMATION MA TENG-CAI 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 833-840. article doi:10.7498/aps.28.833 10.7498/aps.28.833 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.833 833-840 <![CDATA[ON HYBRIDIZED BAND AND THE INTRINSIC UPPER LIMIT OF ELECTRON-PHONON COUPLING]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.841 Author(s): YIN DAO-LE, ZHANG LI-YUAN, DAI YUAN-DONG <br/><p>The general properties of hybridized conduction bands were studied in the LMTO representation. General expressions of the density of states N(E) and partial wei-ghts |Blik|2 were derived. Introducing a "phase function" yl which corresponds to a certain radial wave function φl, it permits one to derive an analytical approximation for the logarithmic derivative of φl and the phase shift due to a spherically symmetrical potential. Then the analytical behaviour of electronic factor η in electron-phonon coupling was studied. We verified the presence of an "intrinsic upper limit" for η and evaluated its order of magnitude. Discussions were given for the general rules affecting η and the comparison with experiment. As for the relation to searching for strong coupling and high Tc, we emphasized the role of magnitude of hybridization, especilly enhancing the f-component in a d-like conduction band.</p> <br/>Acta Physica Sinica. 1979 28(6): 841-852. Published 1979-03-05 Author(s): YIN DAO-LE, ZHANG LI-YUAN, DAI YUAN-DONG <br/><p>The general properties of hybridized conduction bands were studied in the LMTO representation. General expressions of the density of states N(E) and partial wei-ghts |Blik|2 were derived. Introducing a "phase function" yl which corresponds to a certain radial wave function φl, it permits one to derive an analytical approximation for the logarithmic derivative of φl and the phase shift due to a spherically symmetrical potential. Then the analytical behaviour of electronic factor η in electron-phonon coupling was studied. We verified the presence of an "intrinsic upper limit" for η and evaluated its order of magnitude. Discussions were given for the general rules affecting η and the comparison with experiment. As for the relation to searching for strong coupling and high Tc, we emphasized the role of magnitude of hybridization, especilly enhancing the f-component in a d-like conduction band.</p> <br/>Acta Physica Sinica. 1979 28(6): 841-852. Published 1979-03-05 ON HYBRIDIZED BAND AND THE INTRINSIC UPPER LIMIT OF ELECTRON-PHONON COUPLING YIN DAO-LE, ZHANG LI-YUAN, DAI YUAN-DONG 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 841-852. article doi:10.7498/aps.28.841 10.7498/aps.28.841 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.841 841-852 <![CDATA[APPLICATIONS OF THE SERIES FORMULA OF SUPERCON-DUCTING CRITICAL TEMPERATURE]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.853 Author(s): JI GUANG-DA, CAI JUN-DAO <br/><p>Using the series formula of superconducting critical temperature (1), we have obtained an expression of isotope effect for B-type superconductors. In both cases of μ*= 0 and μ*≠0, we have obtained a series expression for the upper limit of Tc. The agreement between the results of series formula and numerical solution is quite good. Finally, with μ*= 0, we have discussed the relation between Tc and various spectrum parameters. It is apparent from the series expression that when fixing different parameters the behaviour of Tc is completely different, hence we have made a general interpretation for the different conclusions of other authors about the effect of phonon spectrum on Tc. We emphasize that, in most cases, the series formula (1), which we took up to first two terms only, can be used as a good approximation for numerical solution,so that the series formula is simplified greatly. It may be predicted that by using this simplified formula we can investigate many other problems.</p> <br/>Acta Physica Sinica. 1979 28(6): 853-864. Published 1979-03-05 Author(s): JI GUANG-DA, CAI JUN-DAO <br/><p>Using the series formula of superconducting critical temperature (1), we have obtained an expression of isotope effect for B-type superconductors. In both cases of μ*= 0 and μ*≠0, we have obtained a series expression for the upper limit of Tc. The agreement between the results of series formula and numerical solution is quite good. Finally, with μ*= 0, we have discussed the relation between Tc and various spectrum parameters. It is apparent from the series expression that when fixing different parameters the behaviour of Tc is completely different, hence we have made a general interpretation for the different conclusions of other authors about the effect of phonon spectrum on Tc. We emphasize that, in most cases, the series formula (1), which we took up to first two terms only, can be used as a good approximation for numerical solution,so that the series formula is simplified greatly. It may be predicted that by using this simplified formula we can investigate many other problems.</p> <br/>Acta Physica Sinica. 1979 28(6): 853-864. Published 1979-03-05 APPLICATIONS OF THE SERIES FORMULA OF SUPERCON-DUCTING CRITICAL TEMPERATURE JI GUANG-DA, CAI JUN-DAO 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 853-864. article doi:10.7498/aps.28.853 10.7498/aps.28.853 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.853 853-864 <![CDATA[METALLIC HYDROGEN——TRANSITION PRESSURES AND PHYSICAL PROPERTIES]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.865 Author(s): ZHU ZAI-WAN, XU JI-AN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 865-871. Published 1979-03-05 Author(s): ZHU ZAI-WAN, XU JI-AN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 865-871. Published 1979-03-05 METALLIC HYDROGEN——TRANSITION PRESSURES AND PHYSICAL PROPERTIES ZHU ZAI-WAN, XU JI-AN 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 865-871. article doi:10.7498/aps.28.865 10.7498/aps.28.865 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.865 865-871 <![CDATA[TEMPERATURE MEASUREMENT IN “BELT” APPARATUS AND PROBLEM OF TEMPERATURE CORRELATION AT HIGH PRESSURES]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.872 Author(s): ZHAO YOU-XIANG, XU XIAO-PING, CHEN HONG, WANG WEN-KUI <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 872-876. Published 1979-03-05 Author(s): ZHAO YOU-XIANG, XU XIAO-PING, CHEN HONG, WANG WEN-KUI <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 872-876. Published 1979-03-05 TEMPERATURE MEASUREMENT IN “BELT” APPARATUS AND PROBLEM OF TEMPERATURE CORRELATION AT HIGH PRESSURES ZHAO YOU-XIANG, XU XIAO-PING, CHEN HONG, WANG WEN-KUI 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 872-876. article doi:10.7498/aps.28.872 10.7498/aps.28.872 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.872 872-876 <![CDATA[ON SUPERCONDUCTING TRANSITION TEMPERATURE OF AMORPHOUS TRANSITION METALS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.877 Author(s): ZHANG LI-YUAN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 877-882. Published 1979-03-05 Author(s): ZHANG LI-YUAN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 877-882. Published 1979-03-05 ON SUPERCONDUCTING TRANSITION TEMPERATURE OF AMORPHOUS TRANSITION METALS ZHANG LI-YUAN 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 877-882. article doi:10.7498/aps.28.877 10.7498/aps.28.877 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.877 877-882 <![CDATA[THE CRITICAL MAGNETIC FIELD OF STRONG-COUPLING SUPERCONDUCTING THIN FILMS]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.883 Author(s): ZHANG YU-HENG <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 883-886. Published 1979-03-05 Author(s): ZHANG YU-HENG <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 883-886. Published 1979-03-05 THE CRITICAL MAGNETIC FIELD OF STRONG-COUPLING SUPERCONDUCTING THIN FILMS ZHANG YU-HENG 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 883-886. article doi:10.7498/aps.28.883 10.7498/aps.28.883 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.883 883-886 <![CDATA[THE FOUR-WAVE MIXING IN LIQUID CRYSTALS AND ITS RELAXATION EFFECT]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.887 Author(s): CHU GUI-YIN, ZHU HUA-NAN, YU ZHU-HE, ZHANG ZHI-GUO, QIU YUAN-WU, JI GUO-SHU, YE PEI-XUAN, SHEN YUAN-RANG, ZHOU HE-TIAN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 887-890. Published 1979-03-05 Author(s): CHU GUI-YIN, ZHU HUA-NAN, YU ZHU-HE, ZHANG ZHI-GUO, QIU YUAN-WU, JI GUO-SHU, YE PEI-XUAN, SHEN YUAN-RANG, ZHOU HE-TIAN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 887-890. Published 1979-03-05 THE FOUR-WAVE MIXING IN LIQUID CRYSTALS AND ITS RELAXATION EFFECT CHU GUI-YIN, ZHU HUA-NAN, YU ZHU-HE, ZHANG ZHI-GUO, QIU YUAN-WU, JI GUO-SHU, YE PEI-XUAN, SHEN YUAN-RANG, ZHOU HE-TIAN 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 887-890. article doi:10.7498/aps.28.887 10.7498/aps.28.887 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.887 887-890 <![CDATA[SOME NEW ASPECTS ON TEM<sub<00</sub<-THERMO-INSENSITIVE CAVITY]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.891 Author(s): ZHANG GUANG-YIN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 891-893. Published 1979-03-05 Author(s): ZHANG GUANG-YIN <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 891-893. Published 1979-03-05 SOME NEW ASPECTS ON TEM&lt;sub&lt;00&lt;/sub&lt;-THERMO-INSENSITIVE CAVITY ZHANG GUANG-YIN 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 891-893. article doi:10.7498/aps.28.891 10.7498/aps.28.891 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.891 891-893 <![CDATA[GRAVITATIONAL MASS DEFECT AND ROTATIONAL MASS EFFECT FOR A ROTARY SOLID SPHERE IN GENERAL THEORY OF RELATIVITY]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.894 Author(s): ZHU SI-CHANG <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 894-900. Published 1979-03-05 Author(s): ZHU SI-CHANG <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 894-900. Published 1979-03-05 GRAVITATIONAL MASS DEFECT AND ROTATIONAL MASS EFFECT FOR A ROTARY SOLID SPHERE IN GENERAL THEORY OF RELATIVITY ZHU SI-CHANG 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 894-900. article doi:10.7498/aps.28.894 10.7498/aps.28.894 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.894 894-900 <![CDATA[COMMENTS ON THE STABILITY OF THE Nb<sub<3</sub<Si A-15 STRUCTURE BASED ON THE ATOMIC RADII RATIO]]> //www.getgobooth.com/en/article/doi/10.7498/aps.28.901 Author(s): LUO QI-GUANG <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 901-902. Published 1979-03-05 Author(s): LUO QI-GUANG <br/><p></p> <br/>Acta Physica Sinica. 1979 28(6): 901-902. Published 1979-03-05 COMMENTS ON THE STABILITY OF THE Nb&lt;sub&lt;3&lt;/sub&lt;Si A-15 STRUCTURE BASED ON THE ATOMIC RADII RATIO LUO QI-GUANG 1979-03-05 Personal use only, all commercial or other reuse prohibited Acta Physica Sinica. 1979 28(6): 901-902. article doi:10.7498/aps.28.901 10.7498/aps.28.901 Acta Physica Sinica 28 6 1979-03-05 //www.getgobooth.com/en/article/doi/10.7498/aps.28.901 901-902
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